Question

A rectangular paper of dimension 22 cm
x 8 cm is formed into a hollow cylinder
by rolling it along its length. Find the
radius of the cylinder so formed.

please give me answer note in your copy and shoot then answered me​

Answer 1

Answer:

Step-by-step explanation:

The paper is rolled along the length

⇒ the breadth of the paper is the circumference

Find the radius

Circumference = 2πr

8 = 2πr

r = 8 ÷ 2π

r = 14/11 or 1.27 cm

Answer: The radius is 1.27 cm